/***********************************************************************

	This file is part of KEEL-software, the Data Mining tool for regression, 
	classification, clustering, pattern mining and so on.

	Copyright (C) 2004-2010
	
	F. Herrera (herrera@decsai.ugr.es)
    L. Sánchez (luciano@uniovi.es)
    J. Alcalá-Fdez (jalcala@decsai.ugr.es)
    S. García (sglopez@ujaen.es)
    A. Fernández (alberto.fernandez@ujaen.es)
    J. Luengo (julianlm@decsai.ugr.es)

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program.  If not, see http://www.gnu.org/licenses/
  
**********************************************************************/

package keel.Algorithms.Fuzzy_Rule_Learning.Genetic.IVTURS;

import java.util.*;

/**
 * <p>Title: Item</p>
 *
 * <p>Description: This class contains the representation of a item</p>
 *
 * <p>Copyright: Copyright KEEL (c) 2007</p>
 *
 * <p>Company: KEEL </p>
 *
 * @author Jesus Alcalá (University of Granada) 09/02/2011
 * @version 1.0
 * @since JDK1.6
 */
public class Item implements Comparable {
	int variable, value;

    /**
     *Default constructor.
     */
    public Item() {
	}

	/**
	 * <p>
	 * Builder
	 * </p>
	 * @param variable Variable
	 * @param value Value or Label of the variable
	 */
	public Item(int variable, int value) {
		this.variable = variable;
		this.value = value;
	}

	public void setValues (int variable, int value) {
		this.variable = variable;
		this.value = value;
	}

	public int getVariable () {
		return (this.variable);
	}

	public int getValue () {
		return (this.value);
	}

	public Item clone(){
		Item d = new Item();
		d.variable = this.variable;
		d.value = this.value;

		return d;
	}

	public boolean isEqual(Item a) {
		if ((this.variable == a.variable) && (this.value == a.value))  return (true);
		else  return (false);
	}


	public int compareTo(Object a) {
		if (((Item) a).variable > this.variable) {
			return -1;
		}
		else if (((Item) a).variable < this.variable) {
			return 1;
		}
		else if (((Item) a).value > this.value) {
			return -1;
		}
		else if (((Item) a).value < this.value) {
			return 1;
		}

		return 0;
	}

}
